The ornamental design for a motorvehiclebody, as shown and described.
FIG. 1 is a top, front and left side perspective view of a motor vehicle body showing our new design;
FIG. 2 is a top, rear and right side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof and;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The portions of the motor vehicle body shown in de-emphasized faded out half-tone form surrounded by broken lines are for illustrative and environmental purposes that form no part of the claimed design.